There are many expressions equivalent, it just needs the answer to also equal 2.
2×1
3-1
4÷2
1+1
so on
Answer:The obvious difference between substitution and elimination reactions is that substitution reactions replace one substituent with another while elimination reactions simply remove the substituent. ... The major difference between the groups is the number of steps the reaction takes place over.
Step-by-step explanation:
B. -2 is the aswers
hope it help... :)
